👉 Dilatation is a process by which an object's dimensions are reduced, typically due to compression or expansion. It is often used in physics and engineering contexts where objects need to be stretched or compressed. In more technical terms, it refers to the action of stretching or compressing a material (usually a solid) to reduce its size without changing its shape. This can occur when an object is forced into a smaller volume by external forces such as pressure or force, or when a material undergoes